/*
 * Copyright (C) 2003-2009 eXo Platform SAS.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.chromattic.apt;

import org.reflext.api.ClassTypeInfo;

import java.util.Map;

/**
 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
 * @version $Revision$
 */
class PackageMetaData {

  /** . */
  final String packageName;

  /** . */
  final Map<String, String> prefixMappings;

  /** . */
  final boolean deep;

  public PackageMetaData(
    String packageName,
    Map<String, String> prefixMappings,
    boolean deep) {
    this.packageName = packageName;
    this.prefixMappings = prefixMappings;
    this.deep = deep;
  }

  int distance(ClassTypeInfo cti) {
    int distance;
    if (deep) {
      if (cti.getPackageName().startsWith(packageName)) {
        distance = 0;
        for (String packageName : PackageNameIterator.with(cti.getPackageName())) {
          if (cti.getPackageName().equals(packageName)) {
            break;
          } else {
            distance++;
          }
        }
      } else {
        distance = -1;
      }
    } else {
      distance = cti.getPackageName().equals(packageName) ? 0 : -1;
    }
    return distance;
  }
}
